This must be done at an ATM:
TeleVinti4 can be deactivated through a mobile phone, the ATM network and the Vinti4 network customer service: 8002424, 2626310.
1st - Insert the Vinti4 card;
2nd - Choose the Other Transactions option;
3rd - Select the TELEVINTI4 option;
4th - Select the disassociate TELEVINTI4 option;
5th - Enter the mobile phone number and telecode;
6th - If the transaction is accepted, a receipt will be issued.